Scientist Pete Kelsey and his team have 3D-mapped the entire island of Alcatraz, discovering Civil War secrets, prisoner escape routes – and looking at ways to preserve the island for the future.

Gypsum dune fields at White Sands National Monument within the Chihuahuan Desert and the Tularosa Basin near Alamogordo, New ...

Szpigelman (Spiegelman) arrived at Auschwitz in March 1944 to perform forced labor. His skill as a master plumber may be what ...